Venipuncture Procedure: Mastering Supplies and Using a Syringe

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Questions and Answers

What is the function of the syringe system in blood collection?

Drawing blood from patients with small or difficult veins (correct)

Preserving blood components in the syringe

Injecting additives into the collected specimen

Transferring blood into tubes automatically

Which component is part of the Evacuated Tube System (ETS)?

Plunger

Resheating feature

Tube holder (correct)

Graduated barrel

What is the main advantage of the Evacuated Tube System (ETS) in blood collection?

Is a cheaper alternative to the syringe system

Requires less training to use

Does not require any additives in the collection process

Allows multiple tubes to be collected with one venipuncture (correct)

What are color-coded evacuated tubes filled with?

Anticoagulants Signup and view all the answers

What is the purpose of using additives in ETS tubes?

To prevent clotting Signup and view all the answers

What category does a thrixotropic gel separator belong to?

Clot aviators Signup and view all the answers

What does 'ORDER OF DRAW' refer to in phlebotomy?

The specific sequence for collecting blood samples Signup and view all the answers

Which color tube stopper is used for blood culture collections?

Yellow Signup and view all the answers

What color tube stopper is used for coagulation tubes?

Light Blue Signup and view all the answers

Which additive is present in a tube with a purple stopper?

EDTA Signup and view all the answers

What does the Pearl top on a tube signify?

Plasma-preparation tube Signup and view all the answers

Which tube stopper color is used for Serum Separator Tubes (PSTs)?

Red and grey rubber, Gold plastic Signup and view all the answers

What is the purpose of selecting the correct tools and using them properly during venipuncture?

Ensuring a safe collection Signup and view all the answers

Which of the following is not an antiseptic used in venipuncture?

Mercury chloride Signup and view all the answers

What is the purpose of a tourniquet in venipuncture?

To apply pressure on the vein to make it easier to puncture Signup and view all the answers

Which type of needles is used in evacuated tube systems or syringe systems for blood collection?

Winged infusion needles Signup and view all the answers

What is the purpose of an evacuated tube system (ETS) in venipuncture?

To collect blood directly into tubes for testing Signup and view all the answers

Which of the following is NOT part of the general blood collection equipment and supplies?

Stethoscope Signup and view all the answers

Study Notes

Equipment and Supplies Used in Venipuncture

General blood collection equipment includes a blood-drawing station, phlebotomy chair, equipment carrier, gloves, antiseptics, disinfectants, and hand sanitizer.
Venipuncture equipment includes vein-locating devices, tourniquet, needles, needle gauge, and evacuated tube system (ETS).

Antiseptics and Disinfectants

EPA-registered sodium hypochlorite is used as a disinfectant with a 1:100 dilution for general cleaning and 1:10 dilution for spills, requiring a 10-minute contact time.
Antiseptics used include 70% ethyl alcohol, 70% isopropyl alcohol, benzalkonium chloride, chlorhexidine gluconate, hydrogen peroxide, povidine-iodine, and tincture iodine.

Phlebotomy Needles

Types of phlebotomy needles include multi-sample needles, hypodermic needles, and winged infusion needles.

Evacuated Tube System (ETS) and Syringe System Components

Syringe system components include a syringe needle with a resheathing feature and a syringe with a graduated barrel and plunger.
ETS components include multi-sample needles, tube holders, and evacuated tubes, which prevent exposure of the specimen to contaminants.

Categories of Additives Used in Blood Collection

Categories of additives include anticoagulants, special-use anticoagulants, antiglycolytic agents, clot activators, thrixotropic gel separators, and trace element-free tubes.

Color Coding in Identifying Additives in Blood Collection Tubes

Color coding is used to identify additives in blood collection tubes, with different colors corresponding to specific additives (e.g., red for no additive, orange for coagulant, etc.).

Order of Draw

The order of draw refers to the specific sequence of collecting blood samples to prevent cross-contamination, with different tube stopper colors corresponding to different types of tubes (e.g., yellow for blood culture, light blue for coagulation tube, etc.).

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Description

Learn about the tools and supplies required for safe and accurate blood collection procedures. Topics include general blood collection equipment, venipuncture tools, gloves, antiseptics, disinfectants, and more.